// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package utils

import (
	"context"
	"gd_service/apis"
	"gd_service/errors"
	"gd_service/rpc_apis"
	"strconv"
	"strings"

	"gd_service/common.in/utils"
	"go.uber.org/zap"
)

const (
	ProviderDisable           = "数据源被禁用"
	ProviderDayCountLimit     = "达到当日次数上限"
	ProviderRetainMarginLimit = "达到保有余量次数上限"
)

func CheckProviderAvailable(p apis.MerchantProviderLimitInfo) (bool, string) {
	if p.Enable == false || p.State == false {
		return false, ProviderDisable
	}

	if p.DayCount != 0 && p.Count >= p.DayCount {
		return false, ProviderDayCountLimit
	}

	// 设置了每天访问上限
	if p.DayCountMaxLimit != 0 {

		// 设置了保有量，判断是否达到保有量上限
		if p.Inventory != 0 {
			if p.Count < p.Inventory {
				return true, ""
			}
			if p.RetainMarginTotalUsed >= p.RetainMargin {
				return false, ProviderRetainMarginLimit
			}
		} else { // 没有设置保有量，判断是否达到保有量余量上限，保有量为-1表示都没设置过保有量（不做校验）
			if p.RetainMargin >= 0 && p.RetainMarginTotalUsed >= p.RetainMargin {
				return false, ProviderRetainMarginLimit
			}
		}
	}
	if len(p.Filters) == 0 || len(p.Params) == 0 {
		return true, ""
	}
	for _, v := range p.Filters {
		value, ok := p.Params[v.Name]
		if ok == false || value == "" {
			continue
		}
		array := strings.Split(v.Value, ",")
		matched := false
		for _, filterValue := range array {
			if strings.Contains(value, filterValue) == true {
				matched = true
				break
			}
		}
		if matched == false {
			return false, "未通过参数过滤规则"
		}
	}

	return true, ""
}

func GetProviderInfo(merchantChildApiId int64, baseApiId int64) ([]apis.MerchantProviderLimitInfo, error) {
	req := apis.ManagementCheckProviderApiReq{}
	req.MerchantChildApiId = merchantChildApiId
	req.BaseApiId = baseApiId
	reply, err := rpc_apis.AuthCheck.ManagementCheckProviderApi(context.Background(), &req)
	if err != nil {
		l.Error("func",
			zap.String("call", "ManagementCheckProviderApi"),
			zap.String("args", utils.MarshalJsonString(req)),
			zap.String("error", err.Error()))
		return nil, errors.ServiceError
	}

	return reply.MerchantProviderLimitInfoList, nil
}

func GenProviderInfoMap(providerLimitInfo []apis.MerchantProviderLimitInfo) map[string]apis.MerchantProviderLimitInfo {
	providerLimitInfoMap := make(map[string]apis.MerchantProviderLimitInfo)

	for index, _ := range providerLimitInfo {
		providerLimitInfoMap[providerLimitInfo[index].ProviderApiCode+strconv.Itoa(providerLimitInfo[index].GroupNo)] = providerLimitInfo[index]
	}
	return providerLimitInfoMap
}

func GenProviderInfoMapNew(providerLimitInfo []apis.MerchantProviderLimitInfo) (map[string]apis.MerchantProviderLimitInfo, [][]string) {
	var providerSort [][]string
	var providerRange []string
	providerLimitInfoMap := make(map[string]apis.MerchantProviderLimitInfo)
	preGroupNo := -1
	for index, _ := range providerLimitInfo {
		if preGroupNo == -1 {
			preGroupNo = providerLimitInfo[index].GroupNo
		} else if providerLimitInfo[index].GroupNo != preGroupNo {
			providerSort = append(providerSort, providerRange)
			providerRange = []string{}
			preGroupNo = providerLimitInfo[index].GroupNo
		}
		providerRange = append(providerRange, providerLimitInfo[index].ProviderApiCode)
		providerLimitInfoMap[providerLimitInfo[index].ProviderApiCode+strconv.Itoa(providerLimitInfo[index].GroupNo)] = providerLimitInfo[index]
	}

	if len(providerRange) != 0 {
		providerSort = append(providerSort, providerRange)
	}
	return providerLimitInfoMap, providerSort
}